<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>表格的结构化</title>
	</head>
	<body>
	  <table width="500"> 
	   <caption>表格标题</caption> 
	     <thead> 
	   <tr> 
	       <th>表格头部</th> 
	   </tr> 
	     </thead> 
	      <tbody> 
	   <tr> 
	      <td>表格主体</td> 
	   </tr> 
	     </tbody> 
	   <tfoot> 
	   <tr> 
	       <td>表格底部</td> 
	    </tr> 
	   </tfoot> 
	  </table>
	</body>
</html>